Analysis
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max time kernel
4294178s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20220223-en -
submitted
01-03-2022 18:14
General
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Target
fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe
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Size
274KB
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MD5
6390e7d62943306f51ad16cfffcd4196
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SHA1
8250f8e13c32feb805f774e3c5ab7dff8eef804d
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SHA256
fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832
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SHA512
31231e9e28c30b884af16a2d72ae8f00ed878e12a3a21d99a9d59c4b730e95f63baf8bde1526c52709069bb40c7158867d762301d4e1c0858405772713654a6a
Malware Config
Extracted
44caliber
https://discordapp.com/api/webhooks/943921740650807366/Qusx1YNKTBukFikBPU2oPXE3VgLnpp3XmWajMEfaOIUQ0SkEYDsXQCXM-s64Bb_sTQOY
Signatures
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44Caliber
An open source infostealer written in C#.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 4 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe"C:\Users\Admin\AppData\Local\Temp\fa42a439f4c2999f1b056e3ee061b4e64fc250125cfc59204112d07de3219832.exe"1⤵
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
296KB
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Filesize
4KB
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Filesize
8KB